Isochoric is valid Scrabble Word

Is isochoric a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is isochoric valid Words with Friends?
Words with Friends NO

Definitions for ISOCHORIC in dictionary:

Words related to ISOCHORIC

isochor12
Find what other words can be done using letters: "isochoric"
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